Designed for easy and secure attachment of binoculars to a tripod for steady long distance viewing. Stainless steel stem attaches to binocular via standard1/4-20 thread mounting point. Simply insert and tighten stem back into the tripod adapter for rock solid viewing. Stem releases quickly from adapter. Tighten the locking knob to lock cant/tilt. Fits any binocular with a standard 1/4-20 thread mount. Adapter base is made of durable machined aluminum with 1/4-20 threads to mount on tripods. This model will fit the following Bushnell binos & more: Forge 8x42, 10x42, 15x56; Nitro 10x36, 10x42; Prime 10x28, 8x32, 8x42, 10x42, 12x50; Legend E 8x42, 10x42, Legend L 8x42, 10x42, Legend M 10x42; Trophy Xtreme 10x50, 8x56; Trophy 8x32, 10x42; all Engage series 8x42, 10x42, 10x50, 12x50.